Sink



FIG. 1 is a top perspective view of the sink of the invention;

FIG. 2 is a side view from one side of the sink;

FIG. 3 is a side view from the other side of the sink;

FIG. 4 is a plan view of the sink;

FIG. 5 is a view of the underside of the sink;

FIG. 6 is an end view from one end of the sink;

FIG. 7 is an end view from the other end of the sink; and,

FIG. 8 is a perspective view of the underside of the sink.

The elements shown in FIGS. 1, 4, 5, 6 and 8 in broken lines are for illustrative purposes and do not form part of the claimed design. 

The ornamental design for a “sink,” as shown and described. 